Finding the Fourth Proportional to 3,762.82, 5,647.69 and 1,915.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,762.82 : 5,647.69 = 1,915.25 : x
2. Step 2: Convert to fraction form
   3,762.82/5,647.69 = 1,915.25/x
3. Step 3: Cross multiply
   3,762.82x = 5,647.69 × 1,915.25
4. Step 4: Simplify right side
   3,762.82x = 10,816,738.27
5. Step 5: Solve for x
   x = 10,816,738.27/3,762.82
6. Step 6: Final answer
   x = 2,874.64